add battery indicator

modules/home/waybar/settings.nix

@@ -21,11 +21,12 @@
         "memory"
         "disk"
         "pulseaudio" 
+        "battery"
         "network"
     ];
     clock= {
         calendar = {
-          format = { today = "<span color='#b4befe'><b>{}</b></span>"; };
+          format = { today = "<span color='#b4befe'><b>{}</b>"; };
         };
         format = " {:%H:%M}";
         tooltip= "true";
@@ -91,6 +92,19 @@
         scroll-step= 5;
         on-click= "pamixer -t";
     };
+    battery = {
+        format = "{icon} {capacity}% - {time}";
+        format-icons = ["" "" "" "" ""];
+        format-time = "{H}h{M}m";
+        format-charging = " {icon} {capacity}%";
+        format-full = " {icon} {capacity}%";
+        interval = 30;
+        states = {
+            warning = 20;
+            critical = 5;
+        };
+        tooltip-format = "Connected to {essid} {ifname} via {gwaddr}";
+    };
     "custom/launcher"= {
         format= "";
         on-click= "pkill wofi || wofi --show drun";

modules/home/waybar/style.nix

@@ -45,7 +45,7 @@ in
         color: #b4befe;
     }
 
-    #tray, #pulseaudio, #network, #cpu, #memory, #disk, #clock {
+    #tray, #pulseaudio, #network, #cpu, #memory, #disk, #clock, #battery {
         font-size: ${custom.font_size};
         color: ${custom.text_color};
     }
@@ -74,6 +74,10 @@ in
         padding-right: 9px;
         margin-left: 7px;
     }
+    #battery {
+        padding-left: 9px;
+        padding-right: 9px;
+    }
     #network {
         padding-left: 9px;
         padding-right: 15px;